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bluez: Don't crash on strange MTU sizes

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We got reports of this with automatically detected MTUs that weren't
frame aligned.
This commit is contained in:
Arun Raghavan 2017-09-13 12:49:28 +05:30
parent 9e895b1725
commit 01f489c396
1 changed files with 10 additions and 0 deletions
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10
src/modules/bluetooth/module-bluez5-device.c
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@ -787,6 +787,16 @@ static void transport_config_mtu(struct userdata *u) {
if (u->profile == PA_BLUETOOTH_PROFILE_HEADSET_HEAD_UNIT || u->profile == PA_BLUETOOTH_PROFILE_HEADSET_AUDIO_GATEWAY) {
u->read_block_size = u->read_link_mtu;
u->write_block_size = u->write_link_mtu;
if (!pa_frame_aligned(u->read_block_size, &u->source->sample_spec)) {
pa_log_debug("Got invalid read MTU: %lu, rounding down", u->read_block_size);
u->read_block_size = pa_frame_align(u->read_block_size, &u->source->sample_spec);
}
if (!pa_frame_aligned(u->write_block_size, &u->sink->sample_spec)) {
pa_log_debug("Got invalid write MTU: %lu, rounding down", u->write_block_size);
u->write_block_size = pa_frame_align(u->write_block_size, &u->sink->sample_spec);
}
} else {
u->read_block_size =
(u->read_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload))